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Seagate ST3450856SS 450GB 15K-RPM SAS 300MB/s LFF 3.5 HDD
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Seagate ST3450856SS 450GB 15K-RPM SAS 300MB/s LFF 3.5 HDD
- 450GB 3.5” LFF SAS enterprise HDD
- 15K RPM ultra-low latency performance drive
- Dual-port SAS for active-active multipath I/O
- High-speed SAS interface up to 300MB/s
- RAID-ready enterprise firmware with error recovery
- Mission-critical 24/7 high-endurance reliability
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Seagate ST3450856SS 450GB 15K-RPM SAS 300MB/s LFF 3.5 HDD
The Seagate ST3450856SS 450GB 15K SAS LFF HDD is an enterprise-class SAS hard disk drive engineered for demanding data center and server storage environments. Running at 15,000 RPM, this drive delivers ultra-high spindle speed for the lowest possible rotational latency and maximum IOPS. Its SAS 3Gb/s interface provides the high-bandwidth, dual-port enterprise connectivity required by mission-critical storage area networks and directly attached RAID storage configurations in production server deployments.
Designed in the LFF 3.5-inch form factor, this Seagate enterprise SAS drive fits all standard server backplane bays and storage enclosures used in modern data center infrastructure. The drive features Seagate's enterprise-grade firmware with RAID-optimized error recovery, ensuring reliable operation in multi-drive arrays during rebuild and concurrent I/O workloads. Dual-port SAS connectivity enables multipath I/O configurations that protect against path failures, providing continuous storage access in high-availability server environments where downtime is unacceptable.
With a high MTBF rating and continuous 24/7 operational certification, this Seagate enterprise SAS HDD is built to withstand the rigors of round-the-clock production server use. Advanced rotational vibration compensation helps maintain consistent performance in high-density multi-drive enclosures where mechanical interference is a common concern. Backed by Seagate's 5-year enterprise warranty, this drive is a trusted, proven storage solution for IT administrators building reliable, scalable data center storage infrastructure for enterprise, cloud, and HPC environments.
Specifications of Seagate ST3450856SS 450GB 15K SAS LFF HDD
General Information
Technical Information
Interfaces/Ports
Physical Characteristics
Miscellaneous
Benefits of Seagate ST3450856SS 450GB 15K HDD
- 15K RPM delivers the lowest rotational latency for time-critical I/O
- 300MB/s SAS interface maximizes data throughput in RAID arrays
- Low seek time accelerates database query and transaction speeds
- Dual-port enables redundant SAN path for zero-downtime storage
- Enterprise firmware reduces error recovery time in RAID sets
Why Choose Seagate ST3450856SS 450GB 15K SAS LFF HDD?
- Highest spindle speed class available for maximum HDD performance
- 450GB sweet spot for performance-per-TB in mission-critical tiers
- Seagate's 15K platform is proven in thousands of enterprise SANs
- Dual-port SAS makes it ideal for high-availability SAN configurations
- 5-year warranty minimizes the total cost of ownership in production
Where Is Seagate ST3450856SS 450GB 15K SAS LFF HDD Used?
- Online transaction processing (OLTP) databases requiring low latency
- Mission-critical ERP and financial application server storage tiers
- High-performance SAN arrays serving multiple server workloads
- Exchange and collaboration server storage in enterprise networks
- Primary storage tier in tiered storage architectures (hot tier)
FAQs
Why choose 15K RPM over 10K RPM drives?
15K RPM provides approximately 33% lower rotational latency than 10K RPM, significantly improving IOPS for random I/O workloads.
What is the sustained transfer rate of the ST3450856SS?
It delivers up to 171 MB/s sustained transfer rate, making it ideal for sequential and random read-heavy server applications.
Is the ST3450856SS compatible with older SAS controllers?
Yes, it is backward compatible with earlier SAS controllers operating at lower link speeds with auto-negotiation.
What is the buffer size of this drive?
The ST3450856SS includes a 16MB drive buffer cache to improve sequential read performance and reduce latency spikes.
Can this drive be used in a JBOD enclosure?
Yes, it can be used in JBOD and SAS expansion enclosures connected to SAS HBAs or RAID controllers via SAS cables.